diff --git a/src/unix/uclibc/mod.rs b/src/unix/uclibc/mod.rs
index 785bc8b7..d2ea1085 100644
--- a/src/unix/uclibc/mod.rs
+++ b/src/unix/uclibc/mod.rs
@@ -1809,6 +1809,10 @@ extern {
     pub fn pthread_atfork(prepare: Option<unsafe extern fn()>,
                           parent: Option<unsafe extern fn()>,
                           child: Option<unsafe extern fn()>) -> ::c_int;
+    pub fn pthread_create(native: *mut ::pthread_t,
+                          attr: *const ::pthread_attr_t,
+                          f: extern fn(*mut ::c_void) -> *mut ::c_void,
+                          value: *mut ::c_void) -> ::c_int;
     pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
     #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                link_name = "popen$UNIX2003")]
@@ -1827,3 +1831,4 @@ cfg_if! {
         pub use unsupported_target;
     }
 }
+
diff --git a/src/unix/uclibc/x86_64/mod.rs b/src/unix/uclibc/x86_64/mod.rs
index 29cefca2..7d082589 100644
--- a/src/unix/uclibc/x86_64/mod.rs
+++ b/src/unix/uclibc/x86_64/mod.rs
@@ -327,6 +327,14 @@ pub const SIG_SETMASK: ::c_int = 2; // Set the set of blocked signals
 pub const PTHREAD_STACK_MIN: usize = 16384;
 pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 40;
 pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
+pub const SO_BROADCAST: ::c_int = 6;
+pub const SOCK_DGRAM: ::c_int = 2; // connectionless, unreliable datagrams
+pub const SOCK_STREAM: ::c_int = 1; // …/common/bits/socket_type.h
+pub const SO_ERROR: ::c_int = 4;
+pub const SOL_SOCKET: ::c_int = 1;
+pub const SO_RCVTIMEO: ::c_int = 20;
+pub const SO_REUSEADDR: ::c_int = 2;
+pub const SO_SNDTIMEO: ::c_int = 21;
 pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
 pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 1;
 pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;